diff --git a/circom_circuits/proof_of_leadership/PoL.circom b/circom_circuits/proof_of_leadership/PoL_payment.circom
similarity index 95%
rename from circom_circuits/proof_of_leadership/PoL.circom
rename to circom_circuits/proof_of_leadership/PoL_payment.circom
index d311cb7..19f8b68 100644
--- a/circom_circuits/proof_of_leadership/PoL.circom
+++ b/circom_circuits/proof_of_leadership/PoL_payment.circom
@@ -82,6 +82,12 @@ template payment_proof_of_leadership(){
     signal input value;
     signal input nonce;
 
+    signal input one_time_key;
+
+    //Avoid the circom optimisation that removes unused public input
+    signal dummy;
+    dummy <== one_time_key * one_time_key;
+
     signal output entropy_contrib;
 
 
@@ -194,4 +200,4 @@ template payment_proof_of_leadership(){
     entropy_contrib <== entropy.out;
 } 
 
-component main = payment_proof_of_leadership();
\ No newline at end of file
+component main {public [slot,epoch_nonce,t0,t1,commitments_root,nullifiers_root,one_time_key]}= payment_proof_of_leadership();
\ No newline at end of file
diff --git a/circom_circuits/proof_of_leadership/generate_inputs.py b/circom_circuits/proof_of_leadership/generate_inputs_for_payment.py
similarity index 99%
rename from circom_circuits/proof_of_leadership/generate_inputs.py
rename to circom_circuits/proof_of_leadership/generate_inputs_for_payment.py
index e93552c..3352602 100755
--- a/circom_circuits/proof_of_leadership/generate_inputs.py
+++ b/circom_circuits/proof_of_leadership/generate_inputs_for_payment.py
@@ -280,6 +280,7 @@ with open("input.json", "w") as file:
     file.write('\n\t"t0" :\t\t\t\t\t\t"'+str(t0)+'",')
     file.write('\n\t"t1" :\t\t\t\t\t\t"'+str(t1)+'",')
     file.write('\n\t"slot_secret" :\t\t\t\t\t\t"'+str(slot_secret)+'",')
+    file.write('\n\t"one_time_key" :\t\t\t\t\t\t"'+str(F(516548))+'",')
     file.write('\n\t"slot_secret_path" :\t\t\t\t\t[')
     for i in range(25):
         file.write('"')